Beautiful retro design. Pro-level controls. So small. The Olympus OM-D E-M5 was the mirrorless camera for discerning photographers. Three years later, it's finally getting a update in the form of the new E-M5 Mark II. It provides some welcome improvements in feel and operation, plus a flashy trick or two. Is that…

The Olympus OM-D E-M5 is crammed full of impressive features: the fastest autofocus among interchangeable lens cameras (or so says Olympus). The E-M5 pushes a ridiculous 9 frames per second of 16-megapixel RAW photos. It's the first mirrorless camera with a magnesium alloy body—weatherproof and dustproof, yo!—and…